Home / 113,777.84-170,814.60-87,501.20

Finding the Fourth Proportional to 113,777.84, 170,814.60 and 87,501.20

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Solution

The fourth proportional to 113,777.84, 170,814.60 and 87,501.20 is: 131,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,777.84 : 170,814.60 = 87,501.20 : x
  2. Step 2: Convert to fraction form
    113,777.84/170,814.60 = 87,501.20/x
  3. Step 3: Cross multiply
    113,777.84x = 170,814.60 × 87,501.20
  4. Step 4: Simplify right side
    113,777.84x = 14,946,482,477.52
  5. Step 5: Solve for x
    x = 14,946,482,477.52/113,777.84
  6. Step 6: Final answer
    x = 131,365.50

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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.