Home / 166,688.98-230,030.76-90,208.07

Finding the Fourth Proportional to 166,688.98, 230,030.76 and 90,208.07

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Solution

The fourth proportional to 166,688.98, 230,030.76 and 90,208.07 is: 124,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,688.98 : 230,030.76 = 90,208.07 : x
  2. Step 2: Convert to fraction form
    166,688.98/230,030.76 = 90,208.07/x
  3. Step 3: Cross multiply
    166,688.98x = 230,030.76 × 90,208.07
  4. Step 4: Simplify right side
    166,688.98x = 20,750,630,950.98
  5. Step 5: Solve for x
    x = 20,750,630,950.98/166,688.98
  6. Step 6: Final answer
    x = 124,487.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.