Home / 112,935.48-155,849.88-61,947.16

Finding the Fourth Proportional to 112,935.48, 155,849.88 and 61,947.16

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Solution

The fourth proportional to 112,935.48, 155,849.88 and 61,947.16 is: 85,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,935.48 : 155,849.88 = 61,947.16 : x
  2. Step 2: Convert to fraction form
    112,935.48/155,849.88 = 61,947.16/x
  3. Step 3: Cross multiply
    112,935.48x = 155,849.88 × 61,947.16
  4. Step 4: Simplify right side
    112,935.48x = 9,654,457,452.34
  5. Step 5: Solve for x
    x = 9,654,457,452.34/112,935.48
  6. Step 6: Final answer
    x = 85,486.49

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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.