Home / 134,740.60-202,110.90-87,501.40

Finding the Fourth Proportional to 134,740.60, 202,110.90 and 87,501.40

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Solution

The fourth proportional to 134,740.60, 202,110.90 and 87,501.40 is: 131,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,740.60 : 202,110.90 = 87,501.40 : x
  2. Step 2: Convert to fraction form
    134,740.60/202,110.90 = 87,501.40/x
  3. Step 3: Cross multiply
    134,740.60x = 202,110.90 × 87,501.40
  4. Step 4: Simplify right side
    134,740.60x = 17,684,986,705.26
  5. Step 5: Solve for x
    x = 17,684,986,705.26/134,740.60
  6. Step 6: Final answer
    x = 131,252.10

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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.