Home / 153,313.30-229,969.95-139,535.20

Finding the Fourth Proportional to 153,313.30, 229,969.95 and 139,535.20

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Solution

The fourth proportional to 153,313.30, 229,969.95 and 139,535.20 is: 209,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,313.30 : 229,969.95 = 139,535.20 : x
  2. Step 2: Convert to fraction form
    153,313.30/229,969.95 = 139,535.20/x
  3. Step 3: Cross multiply
    153,313.30x = 229,969.95 × 139,535.20
  4. Step 4: Simplify right side
    153,313.30x = 32,088,902,967.24
  5. Step 5: Solve for x
    x = 32,088,902,967.24/153,313.30
  6. Step 6: Final answer
    x = 209,302.80

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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.