Home / 90,966.95-136,465.01-38,384.18

Finding the Fourth Proportional to 90,966.95, 136,465.01 and 38,384.18

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Solution

The fourth proportional to 90,966.95, 136,465.01 and 38,384.18 is: 57,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,966.95 : 136,465.01 = 38,384.18 : x
  2. Step 2: Convert to fraction form
    90,966.95/136,465.01 = 38,384.18/x
  3. Step 3: Cross multiply
    90,966.95x = 136,465.01 × 38,384.18
  4. Step 4: Simplify right side
    90,966.95x = 5,238,097,507.54
  5. Step 5: Solve for x
    x = 5,238,097,507.54/90,966.95
  6. Step 6: Final answer
    x = 57,582.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.