Home / 122,510.60-169,064.64-68,795.65

Finding the Fourth Proportional to 122,510.60, 169,064.64 and 68,795.65

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Solution

The fourth proportional to 122,510.60, 169,064.64 and 68,795.65 is: 94,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510.60 : 169,064.64 = 68,795.65 : x
  2. Step 2: Convert to fraction form
    122,510.60/169,064.64 = 68,795.65/x
  3. Step 3: Cross multiply
    122,510.60x = 169,064.64 × 68,795.65
  4. Step 4: Simplify right side
    122,510.60x = 11,630,912,681.13
  5. Step 5: Solve for x
    x = 11,630,912,681.13/122,510.60
  6. Step 6: Final answer
    x = 94,938.01

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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.