Home / 112,735.80-155,575.08-62,434.80

Finding the Fourth Proportional to 112,735.80, 155,575.08 and 62,434.80

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Solution

The fourth proportional to 112,735.80, 155,575.08 and 62,434.80 is: 86,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,735.80 : 155,575.08 = 62,434.80 : x
  2. Step 2: Convert to fraction form
    112,735.80/155,575.08 = 62,434.80/x
  3. Step 3: Cross multiply
    112,735.80x = 155,575.08 × 62,434.80
  4. Step 4: Simplify right side
    112,735.80x = 9,713,299,004.78
  5. Step 5: Solve for x
    x = 9,713,299,004.78/112,735.80
  6. Step 6: Final answer
    x = 86,159.84

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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.