Home / 145,861.79-218,831.58-52,368.35

Finding the Fourth Proportional to 145,861.79, 218,831.58 and 52,368.35

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Solution

The fourth proportional to 145,861.79, 218,831.58 and 52,368.35 is: 78,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,861.79 : 218,831.58 = 52,368.35 : x
  2. Step 2: Convert to fraction form
    145,861.79/218,831.58 = 52,368.35/x
  3. Step 3: Cross multiply
    145,861.79x = 218,831.58 × 52,368.35
  4. Step 4: Simplify right side
    145,861.79x = 11,459,848,772.49
  5. Step 5: Solve for x
    x = 11,459,848,772.49/145,861.79
  6. Step 6: Final answer
    x = 78,566.49

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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.