Home / 157,426.34-217,248.48-85,804.92

Finding the Fourth Proportional to 157,426.34, 217,248.48 and 85,804.92

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Solution

The fourth proportional to 157,426.34, 217,248.48 and 85,804.92 is: 118,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426.34 : 217,248.48 = 85,804.92 : x
  2. Step 2: Convert to fraction form
    157,426.34/217,248.48 = 85,804.92/x
  3. Step 3: Cross multiply
    157,426.34x = 217,248.48 × 85,804.92
  4. Step 4: Simplify right side
    157,426.34x = 18,640,988,446.52
  5. Step 5: Solve for x
    x = 18,640,988,446.52/157,426.34
  6. Step 6: Final answer
    x = 118,410.86

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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.