Home / 122,386.16-183,580.86-47,510.57

Finding the Fourth Proportional to 122,386.16, 183,580.86 and 47,510.57

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Solution

The fourth proportional to 122,386.16, 183,580.86 and 47,510.57 is: 71,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,386.16 : 183,580.86 = 47,510.57 : x
  2. Step 2: Convert to fraction form
    122,386.16/183,580.86 = 47,510.57/x
  3. Step 3: Cross multiply
    122,386.16x = 183,580.86 × 47,510.57
  4. Step 4: Simplify right side
    122,386.16x = 8,722,031,299.69
  5. Step 5: Solve for x
    x = 8,722,031,299.69/122,386.16
  6. Step 6: Final answer
    x = 71,266.48

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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.