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Finding the Fourth Proportional to 130,264.64, 179,765.52 and 70,648.64

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Solution

The fourth proportional to 130,264.64, 179,765.52 and 70,648.64 is: 97,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,264.64 : 179,765.52 = 70,648.64 : x
  2. Step 2: Convert to fraction form
    130,264.64/179,765.52 = 70,648.64/x
  3. Step 3: Cross multiply
    130,264.64x = 179,765.52 × 70,648.64
  4. Step 4: Simplify right side
    130,264.64x = 12,700,189,506.89
  5. Step 5: Solve for x
    x = 12,700,189,506.89/130,264.64
  6. Step 6: Final answer
    x = 97,495.30

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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.