Home / 130,430.08-195,652.80-36,928

Finding the Fourth Proportional to 130,430.08, 195,652.80 and 36,928

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Solution

The fourth proportional to 130,430.08, 195,652.80 and 36,928 is: 55,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,430.08 : 195,652.80 = 36,928 : x
  2. Step 2: Convert to fraction form
    130,430.08/195,652.80 = 36,928/x
  3. Step 3: Cross multiply
    130,430.08x = 195,652.80 × 36,928
  4. Step 4: Simplify right side
    130,430.08x = 7,225,066,598.40
  5. Step 5: Solve for x
    x = 7,225,066,598.40/130,430.08
  6. Step 6: Final answer
    x = 55,394.17

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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.