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Finding the Fourth Proportional to 97,246.40, 145,639.20 and 97,246.40

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Solution

The fourth proportional to 97,246.40, 145,639.20 and 97,246.40 is: 145,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,246.40 : 145,639.20 = 97,246.40 : x
  2. Step 2: Convert to fraction form
    97,246.40/145,639.20 = 97,246.40/x
  3. Step 3: Cross multiply
    97,246.40x = 145,639.20 × 97,246.40
  4. Step 4: Simplify right side
    97,246.40x = 14,162,887,898.88
  5. Step 5: Solve for x
    x = 14,162,887,898.88/97,246.40
  6. Step 6: Final answer
    x = 145,639.20

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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.