Home / 229,088.04-316,141.20-127,130.10

Finding the Fourth Proportional to 229,088.04, 316,141.20 and 127,130.10

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Solution

The fourth proportional to 229,088.04, 316,141.20 and 127,130.10 is: 175,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,088.04 : 316,141.20 = 127,130.10 : x
  2. Step 2: Convert to fraction form
    229,088.04/316,141.20 = 127,130.10/x
  3. Step 3: Cross multiply
    229,088.04x = 316,141.20 × 127,130.10
  4. Step 4: Simplify right side
    229,088.04x = 40,191,062,370.12
  5. Step 5: Solve for x
    x = 40,191,062,370.12/229,088.04
  6. Step 6: Final answer
    x = 175,439.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.