Home / 112,897.40-169,346.10-56,910.20

Finding the Fourth Proportional to 112,897.40, 169,346.10 and 56,910.20

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Solution

The fourth proportional to 112,897.40, 169,346.10 and 56,910.20 is: 85,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,897.40 : 169,346.10 = 56,910.20 : x
  2. Step 2: Convert to fraction form
    112,897.40/169,346.10 = 56,910.20/x
  3. Step 3: Cross multiply
    112,897.40x = 169,346.10 × 56,910.20
  4. Step 4: Simplify right side
    112,897.40x = 9,637,520,420.22
  5. Step 5: Solve for x
    x = 9,637,520,420.22/112,897.40
  6. Step 6: Final answer
    x = 85,365.30

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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.