Home / 207,924.90-286,936.20-112,430.76

Finding the Fourth Proportional to 207,924.90, 286,936.20 and 112,430.76

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Solution

The fourth proportional to 207,924.90, 286,936.20 and 112,430.76 is: 155,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,924.90 : 286,936.20 = 112,430.76 : x
  2. Step 2: Convert to fraction form
    207,924.90/286,936.20 = 112,430.76/x
  3. Step 3: Cross multiply
    207,924.90x = 286,936.20 × 112,430.76
  4. Step 4: Simplify right side
    207,924.90x = 32,260,455,037.51
  5. Step 5: Solve for x
    x = 32,260,455,037.51/207,924.90
  6. Step 6: Final answer
    x = 155,154.36

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1.5x scale

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.