Home / 112,500.31-155,250.56-61,513.26

Finding the Fourth Proportional to 112,500.31, 155,250.56 and 61,513.26

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Solution

The fourth proportional to 112,500.31, 155,250.56 and 61,513.26 is: 84,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,500.31 : 155,250.56 = 61,513.26 : x
  2. Step 2: Convert to fraction form
    112,500.31/155,250.56 = 61,513.26/x
  3. Step 3: Cross multiply
    112,500.31x = 155,250.56 × 61,513.26
  4. Step 4: Simplify right side
    112,500.31x = 9,549,968,350.77
  5. Step 5: Solve for x
    x = 9,549,968,350.77/112,500.31
  6. Step 6: Final answer
    x = 84,888.38

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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.