Home / 243,545.13-364,996.93-103,130.01

Finding the Fourth Proportional to 243,545.13, 364,996.93 and 103,130.01

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Solution

The fourth proportional to 243,545.13, 364,996.93 and 103,130.01 is: 154,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,545.13 : 364,996.93 = 103,130.01 : x
  2. Step 2: Convert to fraction form
    243,545.13/364,996.93 = 103,130.01/x
  3. Step 3: Cross multiply
    243,545.13x = 364,996.93 × 103,130.01
  4. Step 4: Simplify right side
    243,545.13x = 37,642,137,040.87
  5. Step 5: Solve for x
    x = 37,642,137,040.87/243,545.13
  6. Step 6: Final answer
    x = 154,559.19

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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.