Home / 130,155.96-195,210.90-36,661.08

Finding the Fourth Proportional to 130,155.96, 195,210.90 and 36,661.08

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Solution

The fourth proportional to 130,155.96, 195,210.90 and 36,661.08 is: 54,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,155.96 : 195,210.90 = 36,661.08 : x
  2. Step 2: Convert to fraction form
    130,155.96/195,210.90 = 36,661.08/x
  3. Step 3: Cross multiply
    130,155.96x = 195,210.90 × 36,661.08
  4. Step 4: Simplify right side
    130,155.96x = 7,156,642,421.77
  5. Step 5: Solve for x
    x = 7,156,642,421.77/130,155.96
  6. Step 6: Final answer
    x = 54,985.13

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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.