Home / 112,886.70-169,330.05-102,000.30

Finding the Fourth Proportional to 112,886.70, 169,330.05 and 102,000.30

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Solution

The fourth proportional to 112,886.70, 169,330.05 and 102,000.30 is: 153,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,886.70 : 169,330.05 = 102,000.30 : x
  2. Step 2: Convert to fraction form
    112,886.70/169,330.05 = 102,000.30/x
  3. Step 3: Cross multiply
    112,886.70x = 169,330.05 × 102,000.30
  4. Step 4: Simplify right side
    112,886.70x = 17,271,715,899.02
  5. Step 5: Solve for x
    x = 17,271,715,899.02/112,886.70
  6. Step 6: Final answer
    x = 153,000.45

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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.