Home / 112,307.40-168,383.07-42,167.88

Finding the Fourth Proportional to 112,307.40, 168,383.07 and 42,167.88

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Solution

The fourth proportional to 112,307.40, 168,383.07 and 42,167.88 is: 63,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.40 : 168,383.07 = 42,167.88 : x
  2. Step 2: Convert to fraction form
    112,307.40/168,383.07 = 42,167.88/x
  3. Step 3: Cross multiply
    112,307.40x = 168,383.07 × 42,167.88
  4. Step 4: Simplify right side
    112,307.40x = 7,100,357,089.79
  5. Step 5: Solve for x
    x = 7,100,357,089.79/112,307.40
  6. Step 6: Final answer
    x = 63,222.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.