Home / 152,040.80-228,039.60-46,870.40

Finding the Fourth Proportional to 152,040.80, 228,039.60 and 46,870.40

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Solution

The fourth proportional to 152,040.80, 228,039.60 and 46,870.40 is: 70,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,040.80 : 228,039.60 = 46,870.40 : x
  2. Step 2: Convert to fraction form
    152,040.80/228,039.60 = 46,870.40/x
  3. Step 3: Cross multiply
    152,040.80x = 228,039.60 × 46,870.40
  4. Step 4: Simplify right side
    152,040.80x = 10,688,307,267.84
  5. Step 5: Solve for x
    x = 10,688,307,267.84/152,040.80
  6. Step 6: Final answer
    x = 70,298.94

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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.