Home / 106,847.40-147,403.08-64,381.80

Finding the Fourth Proportional to 106,847.40, 147,403.08 and 64,381.80

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Solution

The fourth proportional to 106,847.40, 147,403.08 and 64,381.80 is: 88,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,847.40 : 147,403.08 = 64,381.80 : x
  2. Step 2: Convert to fraction form
    106,847.40/147,403.08 = 64,381.80/x
  3. Step 3: Cross multiply
    106,847.40x = 147,403.08 × 64,381.80
  4. Step 4: Simplify right side
    106,847.40x = 9,490,075,615.94
  5. Step 5: Solve for x
    x = 9,490,075,615.94/106,847.40
  6. Step 6: Final answer
    x = 88,818.97

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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.