Home / 113,281.74-156,371.31-85,068.90

Finding the Fourth Proportional to 113,281.74, 156,371.31 and 85,068.90

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Solution

The fourth proportional to 113,281.74, 156,371.31 and 85,068.90 is: 117,427.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,281.74 : 156,371.31 = 85,068.90 : x
  2. Step 2: Convert to fraction form
    113,281.74/156,371.31 = 85,068.90/x
  3. Step 3: Cross multiply
    113,281.74x = 156,371.31 × 85,068.90
  4. Step 4: Simplify right side
    113,281.74x = 13,302,335,333.26
  5. Step 5: Solve for x
    x = 13,302,335,333.26/113,281.74
  6. Step 6: Final answer
    x = 117,427.00

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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.