Home / 119,437.17-164,818.31-64,989.55

Finding the Fourth Proportional to 119,437.17, 164,818.31 and 64,989.55

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Solution

The fourth proportional to 119,437.17, 164,818.31 and 64,989.55 is: 89,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,437.17 : 164,818.31 = 64,989.55 : x
  2. Step 2: Convert to fraction form
    119,437.17/164,818.31 = 64,989.55/x
  3. Step 3: Cross multiply
    119,437.17x = 164,818.31 × 64,989.55
  4. Step 4: Simplify right side
    119,437.17x = 10,711,466,812.10
  5. Step 5: Solve for x
    x = 10,711,466,812.10/119,437.17
  6. Step 6: Final answer
    x = 89,682.86

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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.