Home / 181,721.40-272,063.70-160,985.40

Finding the Fourth Proportional to 181,721.40, 272,063.70 and 160,985.40

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Solution

The fourth proportional to 181,721.40, 272,063.70 and 160,985.40 is: 241,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,721.40 : 272,063.70 = 160,985.40 : x
  2. Step 2: Convert to fraction form
    181,721.40/272,063.70 = 160,985.40/x
  3. Step 3: Cross multiply
    181,721.40x = 272,063.70 × 160,985.40
  4. Step 4: Simplify right side
    181,721.40x = 43,798,283,569.98
  5. Step 5: Solve for x
    x = 43,798,283,569.98/181,721.40
  6. Step 6: Final answer
    x = 241,018.85

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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.