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Finding the Fourth Proportional to 180,632.98, 249,262.85 and 98,944.99

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Solution

The fourth proportional to 180,632.98, 249,262.85 and 98,944.99 is: 136,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,632.98 : 249,262.85 = 98,944.99 : x
  2. Step 2: Convert to fraction form
    180,632.98/249,262.85 = 98,944.99/x
  3. Step 3: Cross multiply
    180,632.98x = 249,262.85 × 98,944.99
  4. Step 4: Simplify right side
    180,632.98x = 24,663,308,459.58
  5. Step 5: Solve for x
    x = 24,663,308,459.58/180,632.98
  6. Step 6: Final answer
    x = 136,538.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.