Home / 207,836.48-286,814.28-112,343.12

Finding the Fourth Proportional to 207,836.48, 286,814.28 and 112,343.12

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Solution

The fourth proportional to 207,836.48, 286,814.28 and 112,343.12 is: 155,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,836.48 : 286,814.28 = 112,343.12 : x
  2. Step 2: Convert to fraction form
    207,836.48/286,814.28 = 112,343.12/x
  3. Step 3: Cross multiply
    207,836.48x = 286,814.28 × 112,343.12
  4. Step 4: Simplify right side
    207,836.48x = 32,221,611,075.75
  5. Step 5: Solve for x
    x = 32,221,611,075.75/207,836.48
  6. Step 6: Final answer
    x = 155,033.47

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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.