Home / 112,154.36-154,762.26-61,850.12

Finding the Fourth Proportional to 112,154.36, 154,762.26 and 61,850.12

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Solution

The fourth proportional to 112,154.36, 154,762.26 and 61,850.12 is: 85,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,154.36 : 154,762.26 = 61,850.12 : x
  2. Step 2: Convert to fraction form
    112,154.36/154,762.26 = 61,850.12/x
  3. Step 3: Cross multiply
    112,154.36x = 154,762.26 × 61,850.12
  4. Step 4: Simplify right side
    112,154.36x = 9,572,064,352.47
  5. Step 5: Solve for x
    x = 9,572,064,352.47/112,154.36
  6. Step 6: Final answer
    x = 85,347.23

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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.