Home / 171,442.19-257,038.70-71,630.93

Finding the Fourth Proportional to 171,442.19, 257,038.70 and 71,630.93

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Solution

The fourth proportional to 171,442.19, 257,038.70 and 71,630.93 is: 107,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,442.19 : 257,038.70 = 71,630.93 : x
  2. Step 2: Convert to fraction form
    171,442.19/257,038.70 = 71,630.93/x
  3. Step 3: Cross multiply
    171,442.19x = 257,038.70 × 71,630.93
  4. Step 4: Simplify right side
    171,442.19x = 18,411,920,716.15
  5. Step 5: Solve for x
    x = 18,411,920,716.15/171,442.19
  6. Step 6: Final answer
    x = 107,394.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.