Home / 103,804.69-143,250.47-56,058.03

Finding the Fourth Proportional to 103,804.69, 143,250.47 and 56,058.03

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Solution

The fourth proportional to 103,804.69, 143,250.47 and 56,058.03 is: 77,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,804.69 : 143,250.47 = 56,058.03 : x
  2. Step 2: Convert to fraction form
    103,804.69/143,250.47 = 56,058.03/x
  3. Step 3: Cross multiply
    103,804.69x = 143,250.47 × 56,058.03
  4. Step 4: Simplify right side
    103,804.69x = 8,030,338,864.48
  5. Step 5: Solve for x
    x = 8,030,338,864.48/103,804.69
  6. Step 6: Final answer
    x = 77,360.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.