Home / 112,548.02-155,364.09-70,127.51

Finding the Fourth Proportional to 112,548.02, 155,364.09 and 70,127.51

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Solution

The fourth proportional to 112,548.02, 155,364.09 and 70,127.51 is: 96,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,548.02 : 155,364.09 = 70,127.51 : x
  2. Step 2: Convert to fraction form
    112,548.02/155,364.09 = 70,127.51/x
  3. Step 3: Cross multiply
    112,548.02x = 155,364.09 × 70,127.51
  4. Step 4: Simplify right side
    112,548.02x = 10,895,296,775.12
  5. Step 5: Solve for x
    x = 10,895,296,775.12/112,548.02
  6. Step 6: Final answer
    x = 96,805.76

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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.