Home / 94,714.64-130,667.16-66,439.28

Finding the Fourth Proportional to 94,714.64, 130,667.16 and 66,439.28

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Solution

The fourth proportional to 94,714.64, 130,667.16 and 66,439.28 is: 91,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,714.64 : 130,667.16 = 66,439.28 : x
  2. Step 2: Convert to fraction form
    94,714.64/130,667.16 = 66,439.28/x
  3. Step 3: Cross multiply
    94,714.64x = 130,667.16 × 66,439.28
  4. Step 4: Simplify right side
    94,714.64x = 8,681,432,030.04
  5. Step 5: Solve for x
    x = 8,681,432,030.04/94,714.64
  6. Step 6: Final answer
    x = 91,658.82

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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.