Home / 105,038.48-157,558.20-34,912.40

Finding the Fourth Proportional to 105,038.48, 157,558.20 and 34,912.40

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Solution

The fourth proportional to 105,038.48, 157,558.20 and 34,912.40 is: 52,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,038.48 : 157,558.20 = 34,912.40 : x
  2. Step 2: Convert to fraction form
    105,038.48/157,558.20 = 34,912.40/x
  3. Step 3: Cross multiply
    105,038.48x = 157,558.20 × 34,912.40
  4. Step 4: Simplify right side
    105,038.48x = 5,500,734,901.68
  5. Step 5: Solve for x
    x = 5,500,734,901.68/105,038.48
  6. Step 6: Final answer
    x = 52,368.76

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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.