Home / 215,531.48-297,442.63-120,038.17

Finding the Fourth Proportional to 215,531.48, 297,442.63 and 120,038.17

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Solution

The fourth proportional to 215,531.48, 297,442.63 and 120,038.17 is: 165,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,531.48 : 297,442.63 = 120,038.17 : x
  2. Step 2: Convert to fraction form
    215,531.48/297,442.63 = 120,038.17/x
  3. Step 3: Cross multiply
    215,531.48x = 297,442.63 × 120,038.17
  4. Step 4: Simplify right side
    215,531.48x = 35,704,468,985.19
  5. Step 5: Solve for x
    x = 35,704,468,985.19/215,531.48
  6. Step 6: Final answer
    x = 165,657.79

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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.