Home / 112,026.81-154,526.37-66,670.93

Finding the Fourth Proportional to 112,026.81, 154,526.37 and 66,670.93

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Solution

The fourth proportional to 112,026.81, 154,526.37 and 66,670.93 is: 91,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,026.81 : 154,526.37 = 66,670.93 : x
  2. Step 2: Convert to fraction form
    112,026.81/154,526.37 = 66,670.93/x
  3. Step 3: Cross multiply
    112,026.81x = 154,526.37 × 66,670.93
  4. Step 4: Simplify right side
    112,026.81x = 10,302,416,740.57
  5. Step 5: Solve for x
    x = 10,302,416,740.57/112,026.81
  6. Step 6: Final answer
    x = 91,963.85

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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.