Home / 152,042.31-209,851.70-88,416.81

Finding the Fourth Proportional to 152,042.31, 209,851.70 and 88,416.81

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Solution

The fourth proportional to 152,042.31, 209,851.70 and 88,416.81 is: 122,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,042.31 : 209,851.70 = 88,416.81 : x
  2. Step 2: Convert to fraction form
    152,042.31/209,851.70 = 88,416.81/x
  3. Step 3: Cross multiply
    152,042.31x = 209,851.70 × 88,416.81
  4. Step 4: Simplify right side
    152,042.31x = 18,554,417,444.99
  5. Step 5: Solve for x
    x = 18,554,417,444.99/152,042.31
  6. Step 6: Final answer
    x = 122,034.57

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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.