Home / 207,827.95-286,802.40-112,334.65

Finding the Fourth Proportional to 207,827.95, 286,802.40 and 112,334.65

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Solution

The fourth proportional to 207,827.95, 286,802.40 and 112,334.65 is: 155,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,827.95 : 286,802.40 = 112,334.65 : x
  2. Step 2: Convert to fraction form
    207,827.95/286,802.40 = 112,334.65/x
  3. Step 3: Cross multiply
    207,827.95x = 286,802.40 × 112,334.65
  4. Step 4: Simplify right side
    207,827.95x = 32,217,847,223.16
  5. Step 5: Solve for x
    x = 32,217,847,223.16/207,827.95
  6. Step 6: Final answer
    x = 155,021.72

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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.