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Finding the Fourth Proportional to 98,038.60, 145,949.20 and 97,455.40

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Solution

The fourth proportional to 98,038.60, 145,949.20 and 97,455.40 is: 145,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,038.60 : 145,949.20 = 97,455.40 : x
  2. Step 2: Convert to fraction form
    98,038.60/145,949.20 = 97,455.40/x
  3. Step 3: Cross multiply
    98,038.60x = 145,949.20 × 97,455.40
  4. Step 4: Simplify right side
    98,038.60x = 14,223,537,665.68
  5. Step 5: Solve for x
    x = 14,223,537,665.68/98,038.60
  6. Step 6: Final answer
    x = 145,081.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.