Home / 131,430.70-197,038.05-56,608.30

Finding the Fourth Proportional to 131,430.70, 197,038.05 and 56,608.30

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Solution

The fourth proportional to 131,430.70, 197,038.05 and 56,608.30 is: 84,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430.70 : 197,038.05 = 56,608.30 : x
  2. Step 2: Convert to fraction form
    131,430.70/197,038.05 = 56,608.30/x
  3. Step 3: Cross multiply
    131,430.70x = 197,038.05 × 56,608.30
  4. Step 4: Simplify right side
    131,430.70x = 11,153,989,045.82
  5. Step 5: Solve for x
    x = 11,153,989,045.82/131,430.70
  6. Step 6: Final answer
    x = 84,865.93

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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.