Home / 112,030.18-154,531.02-66,674.30

Finding the Fourth Proportional to 112,030.18, 154,531.02 and 66,674.30

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Solution

The fourth proportional to 112,030.18, 154,531.02 and 66,674.30 is: 91,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,030.18 : 154,531.02 = 66,674.30 : x
  2. Step 2: Convert to fraction form
    112,030.18/154,531.02 = 66,674.30/x
  3. Step 3: Cross multiply
    112,030.18x = 154,531.02 × 66,674.30
  4. Step 4: Simplify right side
    112,030.18x = 10,303,247,586.79
  5. Step 5: Solve for x
    x = 10,303,247,586.79/112,030.18
  6. Step 6: Final answer
    x = 91,968.50

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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.