Home / 85,807.22-118,343.75-60,397.70

Finding the Fourth Proportional to 85,807.22, 118,343.75 and 60,397.70

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Solution

The fourth proportional to 85,807.22, 118,343.75 and 60,397.70 is: 83,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,807.22 : 118,343.75 = 60,397.70 : x
  2. Step 2: Convert to fraction form
    85,807.22/118,343.75 = 60,397.70/x
  3. Step 3: Cross multiply
    85,807.22x = 118,343.75 × 60,397.70
  4. Step 4: Simplify right side
    85,807.22x = 7,147,689,415.67
  5. Step 5: Solve for x
    x = 7,147,689,415.67/85,807.22
  6. Step 6: Final answer
    x = 83,299.40

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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.