Home / 209,277.60-314,089.20-97,130.40

Finding the Fourth Proportional to 209,277.60, 314,089.20 and 97,130.40

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Solution

The fourth proportional to 209,277.60, 314,089.20 and 97,130.40 is: 145,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,277.60 : 314,089.20 = 97,130.40 : x
  2. Step 2: Convert to fraction form
    209,277.60/314,089.20 = 97,130.40/x
  3. Step 3: Cross multiply
    209,277.60x = 314,089.20 × 97,130.40
  4. Step 4: Simplify right side
    209,277.60x = 30,507,609,631.68
  5. Step 5: Solve for x
    x = 30,507,609,631.68/209,277.60
  6. Step 6: Final answer
    x = 145,775.80

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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.