Home / 180,501.20-249,089.64-99,929.36

Finding the Fourth Proportional to 180,501.20, 249,089.64 and 99,929.36

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Solution

The fourth proportional to 180,501.20, 249,089.64 and 99,929.36 is: 137,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,501.20 : 249,089.64 = 99,929.36 : x
  2. Step 2: Convert to fraction form
    180,501.20/249,089.64 = 99,929.36/x
  3. Step 3: Cross multiply
    180,501.20x = 249,089.64 × 99,929.36
  4. Step 4: Simplify right side
    180,501.20x = 24,891,368,307.83
  5. Step 5: Solve for x
    x = 24,891,368,307.83/180,501.20
  6. Step 6: Final answer
    x = 137,901.40

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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.