Home / 152,434.68-210,275.11-120,050.00

Finding the Fourth Proportional to 152,434.68, 210,275.11 and 120,050.00

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Solution

The fourth proportional to 152,434.68, 210,275.11 and 120,050.00 is: 165,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,434.68 : 210,275.11 = 120,050.00 : x
  2. Step 2: Convert to fraction form
    152,434.68/210,275.11 = 120,050.00/x
  3. Step 3: Cross multiply
    152,434.68x = 210,275.11 × 120,050.00
  4. Step 4: Simplify right side
    152,434.68x = 25,243,526,167.44
  5. Step 5: Solve for x
    x = 25,243,526,167.44/152,434.68
  6. Step 6: Final answer
    x = 165,602.25

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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.