Home / 103,041.18-142,057.21-88,094.40

Finding the Fourth Proportional to 103,041.18, 142,057.21 and 88,094.40

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Solution

The fourth proportional to 103,041.18, 142,057.21 and 88,094.40 is: 121,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,041.18 : 142,057.21 = 88,094.40 : x
  2. Step 2: Convert to fraction form
    103,041.18/142,057.21 = 88,094.40/x
  3. Step 3: Cross multiply
    103,041.18x = 142,057.21 × 88,094.40
  4. Step 4: Simplify right side
    103,041.18x = 12,514,444,680.62
  5. Step 5: Solve for x
    x = 12,514,444,680.62/103,041.18
  6. Step 6: Final answer
    x = 121,450.91

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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.