Home / 130,537.86-180,154.98-73,186.98

Finding the Fourth Proportional to 130,537.86, 180,154.98 and 73,186.98

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Solution

The fourth proportional to 130,537.86, 180,154.98 and 73,186.98 is: 101,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,537.86 : 180,154.98 = 73,186.98 : x
  2. Step 2: Convert to fraction form
    130,537.86/180,154.98 = 73,186.98/x
  3. Step 3: Cross multiply
    130,537.86x = 180,154.98 × 73,186.98
  4. Step 4: Simplify right side
    130,537.86x = 13,184,998,918.16
  5. Step 5: Solve for x
    x = 13,184,998,918.16/130,537.86
  6. Step 6: Final answer
    x = 101,005.17

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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.