Home / 112,564.08-155,331.60-61,567.20

Finding the Fourth Proportional to 112,564.08, 155,331.60 and 61,567.20

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Solution

The fourth proportional to 112,564.08, 155,331.60 and 61,567.20 is: 84,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,564.08 : 155,331.60 = 61,567.20 : x
  2. Step 2: Convert to fraction form
    112,564.08/155,331.60 = 61,567.20/x
  3. Step 3: Cross multiply
    112,564.08x = 155,331.60 × 61,567.20
  4. Step 4: Simplify right side
    112,564.08x = 9,563,331,683.52
  5. Step 5: Solve for x
    x = 9,563,331,683.52/112,564.08
  6. Step 6: Final answer
    x = 84,959.00

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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.