Home / 180,459.08-249,027.18-99,886.76

Finding the Fourth Proportional to 180,459.08, 249,027.18 and 99,886.76

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Solution

The fourth proportional to 180,459.08, 249,027.18 and 99,886.76 is: 137,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,459.08 : 249,027.18 = 99,886.76 : x
  2. Step 2: Convert to fraction form
    180,459.08/249,027.18 = 99,886.76/x
  3. Step 3: Cross multiply
    180,459.08x = 249,027.18 × 99,886.76
  4. Step 4: Simplify right side
    180,459.08x = 24,874,518,162.14
  5. Step 5: Solve for x
    x = 24,874,518,162.14/180,459.08
  6. Step 6: Final answer
    x = 137,840.21

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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.