Home / 209,152.60-313,901.70-97,005.40

Finding the Fourth Proportional to 209,152.60, 313,901.70 and 97,005.40

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Solution

The fourth proportional to 209,152.60, 313,901.70 and 97,005.40 is: 145,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,152.60 : 313,901.70 = 97,005.40 : x
  2. Step 2: Convert to fraction form
    209,152.60/313,901.70 = 97,005.40/x
  3. Step 3: Cross multiply
    209,152.60x = 313,901.70 × 97,005.40
  4. Step 4: Simplify right side
    209,152.60x = 30,450,159,969.18
  5. Step 5: Solve for x
    x = 30,450,159,969.18/209,152.60
  6. Step 6: Final answer
    x = 145,588.24

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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.