Home / 175,437.72-242,089.35-103,805.28

Finding the Fourth Proportional to 175,437.72, 242,089.35 and 103,805.28

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Solution

The fourth proportional to 175,437.72, 242,089.35 and 103,805.28 is: 143,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,437.72 : 242,089.35 = 103,805.28 : x
  2. Step 2: Convert to fraction form
    175,437.72/242,089.35 = 103,805.28/x
  3. Step 3: Cross multiply
    175,437.72x = 242,089.35 × 103,805.28
  4. Step 4: Simplify right side
    175,437.72x = 25,130,152,761.77
  5. Step 5: Solve for x
    x = 25,130,152,761.77/175,437.72
  6. Step 6: Final answer
    x = 143,242.59

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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.