Home / 118,427.58-163,426.50-70,712.82

Finding the Fourth Proportional to 118,427.58, 163,426.50 and 70,712.82

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Solution

The fourth proportional to 118,427.58, 163,426.50 and 70,712.82 is: 97,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,427.58 : 163,426.50 = 70,712.82 : x
  2. Step 2: Convert to fraction form
    118,427.58/163,426.50 = 70,712.82/x
  3. Step 3: Cross multiply
    118,427.58x = 163,426.50 × 70,712.82
  4. Step 4: Simplify right side
    118,427.58x = 11,556,348,677.73
  5. Step 5: Solve for x
    x = 11,556,348,677.73/118,427.58
  6. Step 6: Final answer
    x = 97,581.57

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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.