Home / 112,175.47-154,802.63-61,189.31

Finding the Fourth Proportional to 112,175.47, 154,802.63 and 61,189.31

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Solution

The fourth proportional to 112,175.47, 154,802.63 and 61,189.31 is: 84,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.47 : 154,802.63 = 61,189.31 : x
  2. Step 2: Convert to fraction form
    112,175.47/154,802.63 = 61,189.31/x
  3. Step 3: Cross multiply
    112,175.47x = 154,802.63 × 61,189.31
  4. Step 4: Simplify right side
    112,175.47x = 9,472,265,035.93
  5. Step 5: Solve for x
    x = 9,472,265,035.93/112,175.47
  6. Step 6: Final answer
    x = 84,441.50

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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.