Home / 134,854.70-202,282.05-90,502.70

Finding the Fourth Proportional to 134,854.70, 202,282.05 and 90,502.70

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Solution

The fourth proportional to 134,854.70, 202,282.05 and 90,502.70 is: 135,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,854.70 : 202,282.05 = 90,502.70 : x
  2. Step 2: Convert to fraction form
    134,854.70/202,282.05 = 90,502.70/x
  3. Step 3: Cross multiply
    134,854.70x = 202,282.05 × 90,502.70
  4. Step 4: Simplify right side
    134,854.70x = 18,307,071,686.54
  5. Step 5: Solve for x
    x = 18,307,071,686.54/134,854.70
  6. Step 6: Final answer
    x = 135,754.05

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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.