Home / 105,337.63-145,367.35-57,590.86

Finding the Fourth Proportional to 105,337.63, 145,367.35 and 57,590.86

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Solution

The fourth proportional to 105,337.63, 145,367.35 and 57,590.86 is: 79,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,337.63 : 145,367.35 = 57,590.86 : x
  2. Step 2: Convert to fraction form
    105,337.63/145,367.35 = 57,590.86/x
  3. Step 3: Cross multiply
    105,337.63x = 145,367.35 × 57,590.86
  4. Step 4: Simplify right side
    105,337.63x = 8,371,830,702.42
  5. Step 5: Solve for x
    x = 8,371,830,702.42/105,337.63
  6. Step 6: Final answer
    x = 79,476.16

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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.