Home / 113,256.08-156,294.40-61,573.28

Finding the Fourth Proportional to 113,256.08, 156,294.40 and 61,573.28

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Solution

The fourth proportional to 113,256.08, 156,294.40 and 61,573.28 is: 84,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,256.08 : 156,294.40 = 61,573.28 : x
  2. Step 2: Convert to fraction form
    113,256.08/156,294.40 = 61,573.28/x
  3. Step 3: Cross multiply
    113,256.08x = 156,294.40 × 61,573.28
  4. Step 4: Simplify right side
    113,256.08x = 9,623,558,853.63
  5. Step 5: Solve for x
    x = 9,623,558,853.63/113,256.08
  6. Step 6: Final answer
    x = 84,971.68

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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.