Home / 207,861.37-286,849.42-112,368.06

Finding the Fourth Proportional to 207,861.37, 286,849.42 and 112,368.06

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Solution

The fourth proportional to 207,861.37, 286,849.42 and 112,368.06 is: 155,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,861.37 : 286,849.42 = 112,368.06 : x
  2. Step 2: Convert to fraction form
    207,861.37/286,849.42 = 112,368.06/x
  3. Step 3: Cross multiply
    207,861.37x = 286,849.42 × 112,368.06
  4. Step 4: Simplify right side
    207,861.37x = 32,232,712,556.61
  5. Step 5: Solve for x
    x = 32,232,712,556.61/207,861.37
  6. Step 6: Final answer
    x = 155,068.32

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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.