Home / 145,088.90-216,455.19-137,241.62

Finding the Fourth Proportional to 145,088.90, 216,455.19 and 137,241.62

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Solution

The fourth proportional to 145,088.90, 216,455.19 and 137,241.62 is: 204,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088.90 : 216,455.19 = 137,241.62 : x
  2. Step 2: Convert to fraction form
    145,088.90/216,455.19 = 137,241.62/x
  3. Step 3: Cross multiply
    145,088.90x = 216,455.19 × 137,241.62
  4. Step 4: Simplify right side
    145,088.90x = 29,706,662,523.32
  5. Step 5: Solve for x
    x = 29,706,662,523.32/145,088.90
  6. Step 6: Final answer
    x = 204,748.00

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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.