Home / 180,555.47-249,163.48-99,981.26

Finding the Fourth Proportional to 180,555.47, 249,163.48 and 99,981.26

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Solution

The fourth proportional to 180,555.47, 249,163.48 and 99,981.26 is: 137,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,555.47 : 249,163.48 = 99,981.26 : x
  2. Step 2: Convert to fraction form
    180,555.47/249,163.48 = 99,981.26/x
  3. Step 3: Cross multiply
    180,555.47x = 249,163.48 × 99,981.26
  4. Step 4: Simplify right side
    180,555.47x = 24,911,678,489.91
  5. Step 5: Solve for x
    x = 24,911,678,489.91/180,555.47
  6. Step 6: Final answer
    x = 137,972.44

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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.