Home / 112,256.40-168,384.60-59,638.80

Finding the Fourth Proportional to 112,256.40, 168,384.60 and 59,638.80

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Solution

The fourth proportional to 112,256.40, 168,384.60 and 59,638.80 is: 89,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,256.40 : 168,384.60 = 59,638.80 : x
  2. Step 2: Convert to fraction form
    112,256.40/168,384.60 = 59,638.80/x
  3. Step 3: Cross multiply
    112,256.40x = 168,384.60 × 59,638.80
  4. Step 4: Simplify right side
    112,256.40x = 10,042,255,482.48
  5. Step 5: Solve for x
    x = 10,042,255,482.48/112,256.40
  6. Step 6: Final answer
    x = 89,458.20

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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.