Home / 112,922.61-155,835.95-61,937.43

Finding the Fourth Proportional to 112,922.61, 155,835.95 and 61,937.43

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Solution

The fourth proportional to 112,922.61, 155,835.95 and 61,937.43 is: 85,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,922.61 : 155,835.95 = 61,937.43 : x
  2. Step 2: Convert to fraction form
    112,922.61/155,835.95 = 61,937.43/x
  3. Step 3: Cross multiply
    112,922.61x = 155,835.95 × 61,937.43
  4. Step 4: Simplify right side
    112,922.61x = 9,652,077,934.92
  5. Step 5: Solve for x
    x = 9,652,077,934.92/112,922.61
  6. Step 6: Final answer
    x = 85,475.16

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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.