Home / 99,014.93-148,506.70-31,538.21

Finding the Fourth Proportional to 99,014.93, 148,506.70 and 31,538.21

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Solution

The fourth proportional to 99,014.93, 148,506.70 and 31,538.21 is: 47,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,014.93 : 148,506.70 = 31,538.21 : x
  2. Step 2: Convert to fraction form
    99,014.93/148,506.70 = 31,538.21/x
  3. Step 3: Cross multiply
    99,014.93x = 148,506.70 × 31,538.21
  4. Step 4: Simplify right side
    99,014.93x = 4,683,635,333.32
  5. Step 5: Solve for x
    x = 4,683,635,333.32/99,014.93
  6. Step 6: Final answer
    x = 47,302.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.