Home / 112,031.40-168,047.10-45,503.40

Finding the Fourth Proportional to 112,031.40, 168,047.10 and 45,503.40

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Solution

The fourth proportional to 112,031.40, 168,047.10 and 45,503.40 is: 68,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.40 : 168,047.10 = 45,503.40 : x
  2. Step 2: Convert to fraction form
    112,031.40/168,047.10 = 45,503.40/x
  3. Step 3: Cross multiply
    112,031.40x = 168,047.10 × 45,503.40
  4. Step 4: Simplify right side
    112,031.40x = 7,646,714,410.14
  5. Step 5: Solve for x
    x = 7,646,714,410.14/112,031.40
  6. Step 6: Final answer
    x = 68,255.10

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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.