Home / 112,925.34-155,835.91-61,937.03

Finding the Fourth Proportional to 112,925.34, 155,835.91 and 61,937.03

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Solution

The fourth proportional to 112,925.34, 155,835.91 and 61,937.03 is: 85,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,925.34 : 155,835.91 = 61,937.03 : x
  2. Step 2: Convert to fraction form
    112,925.34/155,835.91 = 61,937.03/x
  3. Step 3: Cross multiply
    112,925.34x = 155,835.91 × 61,937.03
  4. Step 4: Simplify right side
    112,925.34x = 9,652,013,667.49
  5. Step 5: Solve for x
    x = 9,652,013,667.49/112,925.34
  6. Step 6: Final answer
    x = 85,472.52

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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.