Home / 112,509.02-155,292.24-70,042.34

Finding the Fourth Proportional to 112,509.02, 155,292.24 and 70,042.34

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Solution

The fourth proportional to 112,509.02, 155,292.24 and 70,042.34 is: 96,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,509.02 : 155,292.24 = 70,042.34 : x
  2. Step 2: Convert to fraction form
    112,509.02/155,292.24 = 70,042.34/x
  3. Step 3: Cross multiply
    112,509.02x = 155,292.24 × 70,042.34
  4. Step 4: Simplify right side
    112,509.02x = 10,877,031,096.98
  5. Step 5: Solve for x
    x = 10,877,031,096.98/112,509.02
  6. Step 6: Final answer
    x = 96,676.97

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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.