Home / 157,871.39-236,809.17-52,690.32

Finding the Fourth Proportional to 157,871.39, 236,809.17 and 52,690.32

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Solution

The fourth proportional to 157,871.39, 236,809.17 and 52,690.32 is: 79,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,871.39 : 236,809.17 = 52,690.32 : x
  2. Step 2: Convert to fraction form
    157,871.39/236,809.17 = 52,690.32/x
  3. Step 3: Cross multiply
    157,871.39x = 236,809.17 × 52,690.32
  4. Step 4: Simplify right side
    157,871.39x = 12,477,550,946.23
  5. Step 5: Solve for x
    x = 12,477,550,946.23/157,871.39
  6. Step 6: Final answer
    x = 79,036.18

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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.