Home / 207,814.02-286,783.41-112,320.72

Finding the Fourth Proportional to 207,814.02, 286,783.41 and 112,320.72

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Solution

The fourth proportional to 207,814.02, 286,783.41 and 112,320.72 is: 155,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,814.02 : 286,783.41 = 112,320.72 : x
  2. Step 2: Convert to fraction form
    207,814.02/286,783.41 = 112,320.72/x
  3. Step 3: Cross multiply
    207,814.02x = 286,783.41 × 112,320.72
  4. Step 4: Simplify right side
    207,814.02x = 32,211,719,095.26
  5. Step 5: Solve for x
    x = 32,211,719,095.26/207,814.02
  6. Step 6: Final answer
    x = 155,002.63

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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.