Home / 145,341.51-218,012.37-40,160.58

Finding the Fourth Proportional to 145,341.51, 218,012.37 and 40,160.58

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Solution

The fourth proportional to 145,341.51, 218,012.37 and 40,160.58 is: 60,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,341.51 : 218,012.37 = 40,160.58 : x
  2. Step 2: Convert to fraction form
    145,341.51/218,012.37 = 40,160.58/x
  3. Step 3: Cross multiply
    145,341.51x = 218,012.37 × 40,160.58
  4. Step 4: Simplify right side
    145,341.51x = 8,755,503,075.77
  5. Step 5: Solve for x
    x = 8,755,503,075.77/145,341.51
  6. Step 6: Final answer
    x = 60,240.90

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1.5x scale

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.