Home / 245,075.60-367,613.40-78,863.60

Finding the Fourth Proportional to 245,075.60, 367,613.40 and 78,863.60

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Solution

The fourth proportional to 245,075.60, 367,613.40 and 78,863.60 is: 118,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,075.60 : 367,613.40 = 78,863.60 : x
  2. Step 2: Convert to fraction form
    245,075.60/367,613.40 = 78,863.60/x
  3. Step 3: Cross multiply
    245,075.60x = 367,613.40 × 78,863.60
  4. Step 4: Simplify right side
    245,075.60x = 28,991,316,132.24
  5. Step 5: Solve for x
    x = 28,991,316,132.24/245,075.60
  6. Step 6: Final answer
    x = 118,295.40

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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.