Home / 113,856.60-157,135.43-94,702.58

Finding the Fourth Proportional to 113,856.60, 157,135.43 and 94,702.58

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Solution

The fourth proportional to 113,856.60, 157,135.43 and 94,702.58 is: 130,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,856.60 : 157,135.43 = 94,702.58 : x
  2. Step 2: Convert to fraction form
    113,856.60/157,135.43 = 94,702.58/x
  3. Step 3: Cross multiply
    113,856.60x = 157,135.43 × 94,702.58
  4. Step 4: Simplify right side
    113,856.60x = 14,881,129,371.22
  5. Step 5: Solve for x
    x = 14,881,129,371.22/113,856.60
  6. Step 6: Final answer
    x = 130,700.63

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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.