Home / 153,312.30-229,968.45-139,534.20

Finding the Fourth Proportional to 153,312.30, 229,968.45 and 139,534.20

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Solution

The fourth proportional to 153,312.30, 229,968.45 and 139,534.20 is: 209,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,312.30 : 229,968.45 = 139,534.20 : x
  2. Step 2: Convert to fraction form
    153,312.30/229,968.45 = 139,534.20/x
  3. Step 3: Cross multiply
    153,312.30x = 229,968.45 × 139,534.20
  4. Step 4: Simplify right side
    153,312.30x = 32,088,463,695.99
  5. Step 5: Solve for x
    x = 32,088,463,695.99/153,312.30
  6. Step 6: Final answer
    x = 209,301.30

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1.5x scale

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.