Home / 180,756.16-249,437.12-99,084.16

Finding the Fourth Proportional to 180,756.16, 249,437.12 and 99,084.16

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Solution

The fourth proportional to 180,756.16, 249,437.12 and 99,084.16 is: 136,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,756.16 : 249,437.12 = 99,084.16 : x
  2. Step 2: Convert to fraction form
    180,756.16/249,437.12 = 99,084.16/x
  3. Step 3: Cross multiply
    180,756.16x = 249,437.12 × 99,084.16
  4. Step 4: Simplify right side
    180,756.16x = 24,715,267,508.02
  5. Step 5: Solve for x
    x = 24,715,267,508.02/180,756.16
  6. Step 6: Final answer
    x = 136,732.64

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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.