Home / 145,595.18-218,237.24-103,915.82

Finding the Fourth Proportional to 145,595.18, 218,237.24 and 103,915.82

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Solution

The fourth proportional to 145,595.18, 218,237.24 and 103,915.82 is: 155,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,595.18 : 218,237.24 = 103,915.82 : x
  2. Step 2: Convert to fraction form
    145,595.18/218,237.24 = 103,915.82/x
  3. Step 3: Cross multiply
    145,595.18x = 218,237.24 × 103,915.82
  4. Step 4: Simplify right side
    145,595.18x = 22,678,301,749.14
  5. Step 5: Solve for x
    x = 22,678,301,749.14/145,595.18
  6. Step 6: Final answer
    x = 155,762.72

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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.