Home / 145,047.02-217,572.93-39,865.34

Finding the Fourth Proportional to 145,047.02, 217,572.93 and 39,865.34

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Solution

The fourth proportional to 145,047.02, 217,572.93 and 39,865.34 is: 59,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,047.02 : 217,572.93 = 39,865.34 : x
  2. Step 2: Convert to fraction form
    145,047.02/217,572.93 = 39,865.34/x
  3. Step 3: Cross multiply
    145,047.02x = 217,572.93 × 39,865.34
  4. Step 4: Simplify right side
    145,047.02x = 8,673,618,829.25
  5. Step 5: Solve for x
    x = 8,673,618,829.25/145,047.02
  6. Step 6: Final answer
    x = 59,798.67

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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.