Home / 154,729.43-232,095.01-70,430.64

Finding the Fourth Proportional to 154,729.43, 232,095.01 and 70,430.64

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Solution

The fourth proportional to 154,729.43, 232,095.01 and 70,430.64 is: 105,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,729.43 : 232,095.01 = 70,430.64 : x
  2. Step 2: Convert to fraction form
    154,729.43/232,095.01 = 70,430.64/x
  3. Step 3: Cross multiply
    154,729.43x = 232,095.01 × 70,430.64
  4. Step 4: Simplify right side
    154,729.43x = 16,346,599,177.98
  5. Step 5: Solve for x
    x = 16,346,599,177.98/154,729.43
  6. Step 6: Final answer
    x = 105,646.35

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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.