Home / 145,740.63-218,674.48-51,038.75

Finding the Fourth Proportional to 145,740.63, 218,674.48 and 51,038.75

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Solution

The fourth proportional to 145,740.63, 218,674.48 and 51,038.75 is: 76,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,740.63 : 218,674.48 = 51,038.75 : x
  2. Step 2: Convert to fraction form
    145,740.63/218,674.48 = 51,038.75/x
  3. Step 3: Cross multiply
    145,740.63x = 218,674.48 × 51,038.75
  4. Step 4: Simplify right side
    145,740.63x = 11,160,871,715.16
  5. Step 5: Solve for x
    x = 11,160,871,715.16/145,740.63
  6. Step 6: Final answer
    x = 76,580.37

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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.