Home / 155,240.64-232,666.24-66,389.84

Finding the Fourth Proportional to 155,240.64, 232,666.24 and 66,389.84

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Solution

The fourth proportional to 155,240.64, 232,666.24 and 66,389.84 is: 99,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,240.64 : 232,666.24 = 66,389.84 : x
  2. Step 2: Convert to fraction form
    155,240.64/232,666.24 = 66,389.84/x
  3. Step 3: Cross multiply
    155,240.64x = 232,666.24 × 66,389.84
  4. Step 4: Simplify right side
    155,240.64x = 15,446,674,447.00
  5. Step 5: Solve for x
    x = 15,446,674,447.00/155,240.64
  6. Step 6: Final answer
    x = 99,501.49

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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.