Home / 215,316.18-297,134.16-119,821.26

Finding the Fourth Proportional to 215,316.18, 297,134.16 and 119,821.26

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Solution

The fourth proportional to 215,316.18, 297,134.16 and 119,821.26 is: 165,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,316.18 : 297,134.16 = 119,821.26 : x
  2. Step 2: Convert to fraction form
    215,316.18/297,134.16 = 119,821.26/x
  3. Step 3: Cross multiply
    215,316.18x = 297,134.16 × 119,821.26
  4. Step 4: Simplify right side
    215,316.18x = 35,602,989,440.24
  5. Step 5: Solve for x
    x = 35,602,989,440.24/215,316.18
  6. Step 6: Final answer
    x = 165,352.13

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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.