Home / 163,488.05-245,246.31-45,159.50

Finding the Fourth Proportional to 163,488.05, 245,246.31 and 45,159.50

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Solution

The fourth proportional to 163,488.05, 245,246.31 and 45,159.50 is: 67,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,488.05 : 245,246.31 = 45,159.50 : x
  2. Step 2: Convert to fraction form
    163,488.05/245,246.31 = 45,159.50/x
  3. Step 3: Cross multiply
    163,488.05x = 245,246.31 × 45,159.50
  4. Step 4: Simplify right side
    163,488.05x = 11,075,200,532.79
  5. Step 5: Solve for x
    x = 11,075,200,532.79/163,488.05
  6. Step 6: Final answer
    x = 67,743.18

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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.